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Discovery and designation
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| Discovered by | Masanori Matsuyama and Watanabe |
| Discovery site | Kushiro |
| Discovery date | January 23, 1991 |
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Designations
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| MPC designation | 5293 |
| Alternate name(s) | 1991 BQ2 |
| Epoch May 14, 2008 | |
| Ap | 2.9664059 |
| Peri | 2.3724833 |
| Eccentricity | 0.1112446 |
| Orbital period | 1593.0513930 |
| Mean anomaly | 11.13303 |
| Inclination | 13.95173 |
| Longitude of ascending node | 111.10745 |
| Argument of peri | 11.09777 |
| Absolute magnitude (H) | 11.6 |
5293 Bentengahama (1991 BQ2) is a main-belt asteroid discovered on January 23, 1991 by Masanori Matsuyama and Watanabe at Kushiro.
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